/*
 * Created on 21-Jan-2005
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package com.aelitis.azureus.core.dht.transport.udp.impl;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

import com.aelitis.azureus.core.dht.transport.udp.DHTTransportUDP;
import com.aelitis.azureus.core.dht.transport.udp.impl.packethandler.DHTUDPPacketNetworkHandler;

/**
 * @author parg
 * 
 */

public class DHTUDPPacketRequestPing extends DHTUDPPacketRequest {
    private static final int[] EMPTY_INTS = {};

    private int[] alt_networks = EMPTY_INTS;
    private int[] alt_network_counts = EMPTY_INTS;

    public DHTUDPPacketRequestPing(DHTTransportUDPImpl _transport, long _connection_id, DHTTransportUDPContactImpl _local_contact,
            DHTTransportUDPContactImpl _remote_contact) {
        super(_transport, DHTUDPPacketHelper.ACT_REQUEST_PING, _connection_id, _local_contact, _remote_contact);
    }

    protected DHTUDPPacketRequestPing(DHTUDPPacketNetworkHandler network_handler, DataInputStream is, long con_id, int trans_id)

    throws IOException {
        super(network_handler, is, DHTUDPPacketHelper.ACT_REQUEST_PING, con_id, trans_id);

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_ALT_CONTACTS) {

            DHTUDPUtils.deserialiseAltContactRequest(this, is);
        }

        super.postDeserialise(is);
    }

    public void serialise(DataOutputStream os)

    throws IOException {
        super.serialise(os);

        if (getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_ALT_CONTACTS) {

            DHTUDPUtils.serialiseAltContactRequest(this, os);
        }

        super.postSerialise(os);
    }

    protected void setAltContactRequest(int[] networks, int[] counts) {
        alt_networks = networks;
        alt_network_counts = counts;
    }

    protected int[] getAltNetworks() {
        return (alt_networks);
    }

    protected int[] getAltNetworkCounts() {
        return (alt_network_counts);
    }

    public String getString() {
        return (super.getString());
    }
}